# What You’ll Need:
→ Custard Mixture
01 - 3 large eggs
02 - 3/4 cup whole milk
03 - 1/4 cup heavy cream
04 - 1 tablespoon granulated sugar
05 - 1/2 teaspoon kosher salt
06 - 1/2 teaspoon ground black pepper
07 - 1/2 teaspoon Dijon mustard (optional)
→ Bread
08 - 8 slices brioche or challah bread, 1/2 inch thick
→ Cheese Filling
09 - 8 slices Gruyère or sharp cheddar cheese
→ For Cooking
10 - 2 tablespoons unsalted butter
11 - 1 tablespoon neutral oil, such as canola
# Directions:
01 - In a shallow bowl, whisk eggs, whole milk, heavy cream, sugar, salt, pepper, and Dijon mustard until smooth and combined.
02 - Arrange 4 slices of bread on the work surface. Top each with 2 slices of cheese and cover with remaining bread slices to form sandwiches.
03 - Heat a large nonstick skillet or griddle over medium heat. Add 1 tablespoon butter and 1/2 tablespoon oil, swirling to coat the surface evenly.
04 - Immerse each sandwich in the custard mixture, coating both sides thoroughly but avoiding saturation.
05 - Place the dipped sandwiches in the skillet. Cook 3 to 4 minutes per side, pressing gently until golden brown and cheese is melted. Work in batches, adding more butter and oil as needed.
06 - Transfer cooked sandwiches to a cutting board. Let rest for 2 minutes, then slice and serve warm.
